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1.1.1. Body Logistics > Breast > Flashcards

Flashcards in Breast Deck (16)
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1
Q

What system do the breasts belong to?

A

Reproductive

2
Q

What type of gland is in the breasts?

A

Modified apocrine sweat glands: mammary glands

3
Q

Describe mammary glands

A

modified sweat glands produce/eject milk, devel during preg by hormone stimulation, surrounded by myoepithelial cells (contract to squeeze milk through lactiferous ducts out nipple pores)

4
Q

What anchors the breasts to the chest wall?

A

Coopers suspensory ligaments

5
Q

Name the breasts blood supply

A

External mammary (lateral thoracic artery), Internal mammary (thoracic) arteries, Inter-costal arteries

6
Q

How does lactation occur?

A

Suckling = mechanical-receptors –> signal to hypothalamus, 1) signal to posterior pituitary to prod oxytocin 2) signal to anterior pituitary to stop prod prolactin inhibiting hormone = prolactin prod. Prolactin: mammary gland start prod milk. Oxytocin: stim myoepithelial cells = ejecting milk

7
Q

What is accessory breast tissue?

A

common, congenital, present as a mass along embryonic mammary streak can be found in armpit

8
Q

When does breast tissue mature?

A

Breast tissue not fully mature until you are pregnant

9
Q

Why is imaging of the breast difficult in younger people?

A

% of fat in breast rises with age, allows visualisation of the breast, young = dense tissue = can’t see pathology

10
Q

What is Poland syndrome?

A

congenital abnormality = underdevelopment or absence of chest muscle on one side of body, usually accompanied by webbing of fingers of hand on same side

11
Q

List the risk factors for breast cancer?

A

woman, age, family history, genetics, alcohol, radiation

12
Q

Why when the baby is born are they put straight on the mothers chest?

A

Baby to breast = oxytocin = contraction of uterus = delivery of placenta, controlling postpartum bleeding

13
Q

What are the treatments for breast cancer?

A

Surgery: breast, axilla. Adjuvant (after surgery): radiotherapy, chemotherapy, hormonal therapy, biological

14
Q

What are the benefits of having an early pregnancy in regards to breast cancer?

A

Early maturation of the breast tissue, protective factor

15
Q

What are the roles of the areolae?

A

have glands secrete lipoid fluid to lubricant = stop cracking when feeding, visual target for baby

16
Q

What is the function of breast milk?

A

Contain Abs and nutrients for first 6 months of life